Malicious PDF — malware analysis report

Static analysis result for SHA-256 c27866d47d3d9d0b…

MALICIOUS

PDF

68.7 KB Created: 2021-03-05 03:56:12 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-25
MD5: e5c0f532ebb0bae35ee5a3870eb35a94 SHA-1: 63db15ad7799c845474f989e523f95c15077de56 SHA-256: c27866d47d3d9d0b76674ecc77f86c627210f49d395b16461381502359055957
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
  • External URI info PDF_URI
    PDF contains an external URL action
  • Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
    The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL https://fokemale.ru/wix?keyword=nuit+d%2527etoiles+pronunciation PDF link annotation
    • https://cdn.sqhk.co/wolanojijen/jIcxifW/software_data_cable_owner.pdfIn PDF document text
    • http://vumexovuvelafe.medianewsonline.com/how_to_reset_my_lorex_cameras.pdfIn PDF document text
    • https://limavewudadeku.weebly.com/uploads/1/3/5/3/135323498/kulum-vetal-zoziponixef-gufororekinovip.pdfIn PDF document text
    • https://cdn.sqhk.co/kekoseni/LjbEhjo/artificial_intelligence_definition_ibm.pdfIn PDF document text
    • https://cdn.sqhk.co/jipodipotaj/aeIGhVD/complete_rhythm_trainer_ios.pdfIn PDF document text
    • https://rerutafedebe.weebly.com/uploads/1/3/2/8/132815298/waxewazujaj.pdfIn PDF document text
    • https://xubejuvanexog.weebly.com/uploads/1/3/5/3/135311054/6633198.pdfIn PDF document text
    • https://cdn.sqhk.co/xawodoze/hwygdTh/43182698147.pdfIn PDF document text
    • https://farunekigevizaj.weebly.com/uploads/1/3/5/9/135976182/julezotomupetumu.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://meludakezadew.epizy.com/what_type_of_crochet_hooks_are_best.pdfIn PDF document text
    • https://s3.amazonaws.com/fexuror/powerpoint_circle_chart_template.pdfIn PDF document text
    • https://s3.amazonaws.com/xakusineba/9072536001.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/44dab66d-9d18-46c2-a01e-ff14df557359/49427986015.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/3435df53-b8bd-4272-ad7b-a74a913f0d58/how_to_calculate_percentile_from_z_score_excel.pdfIn PDF document text
    • https://s3.amazonaws.com/kavugusepe/dituwedizeraxejonubirif.pdfIn PDF document text
    • http://vonupov.epizy.com/67518272768.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/1080dfd9-79e0-40ba-b99d-f12130dff9c5/ejemplo_de_minuta_notarial.pdfIn PDF document text
    • http://niwurekatexo.atwebpages.com/angularjs_4_interview_questions_and_answers_for_experienced.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/0c3d28e3-5ad8-4c07-8e73-6d57b3fefe17/50155156681.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/f6f432f6-fb7b-4b2c-a112-9c0e8c7af251/gixetinabiwuragonopudila.pdfIn PDF document text
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
    • http://purl.org/dc/elements/1.1/In PDF document text
    • http://ns.adobe.com/pdf/1.3/In PDF document text
    • http://ns.adobe.com/xap/1.0/In PDF document text
    • http://ns.adobe.com/xap/1.0/mm/In PDF document text
    • http://ns.adobe.com/xap/1.0/rights/In PDF document text
    • http://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000ccd3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCCD3 5072 bytes
SHA-256: d7aa27118717bcf7329e6a4e0140dc7302669407c0ca372458c2b5d35117290f
font_01_sfnt_off0000de29.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDE29 11652 bytes
SHA-256: 8afd958d3bd247b11778b1c37ff3254e3401b52ef4184485ddfb115698ad5544

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